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Installing or changing a licence key

You may edit (update) or add 25-digit licence keys sent to you by the licence key department using the Configuration Utility.  We would recommend that if the current key has expired you should edit (overwrite) the original key string. If you have product options such as Autoloader, you must add the 24-digit license key provided by the license key department prior to running that part of the software. 

Start > Programs > Lusas13.4 for Windows > Tools > Configuration Utility > Key information tab > (click) Add button 

Key strings can also be re-ordered using this utility:  several key codes may be included.

  • For LUSAS Composite, Bridge, Bridge plus, etc products (25 characters)

  • For Autoloader, Patran file converter, etc products (24 characters)

You may enter as many key codes as have been issued, placing 25-digit LUSAS keys before 24-digit product option keys.   The software will now be ready to run using the new key.


The licence keys are stored in file named FEA.KEY that is read automatically when LUSAS software is invoked. The file is located by default in the folder C:\Lusas134\.  The FEA.KEY file must be of the form:

  • Standard ASCII text file.  You may edit the FEA.KEY file using a standard text editor (e.g. Windows Notepad).  Ensure that NO word-processing characters are inserted, particularly tabs or control characters.  

  • The "-" (minus) sign should be placed after the last licence key, inserted in the file on a line on its own

  • Keys can specified in upper or lower case.  More about the characters in a licence key

  • Company details may be written to the LUSAS output file by adding these details after the "-1", as shown in example below

It is permissible to enter all the licence keys owned by your organisation and then copy the file C:\Lusas134\FEA.KEY to other PCs with the software installed to save typing out the keys several times.  An example FEA.KEY file might be:

5OPCGHJ34TDS7117PIFOS9NFB
62PF1PZGT6QNRRLIOFKSDDZB
-1
My name
My company

It is not necessary to reinstall the LUSAS software to change or add licence keys. 

About licence key queries & errors

How to install LUSAS from the CD

Any modelling and analysis capabilities described on this page are dependent upon the LUSAS software product and version in use.

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Copyright © 1982-2010 Last modified: January 18, 2010.